<template>
    <div style="border: 1px solid #ccc">
        <Toolbar style="border-bottom: 1px solid #ccc" :editor="editorRef" :defaultConfig="toolbarConfig"
            :mode="mode" />
        <Editor style="height: 500px; overflow-y: hidden;" v-model="valueHtml" :defaultConfig="editorConfig"
            :mode="mode" @onCreated="handleCreated" @onChange="handleChange" />
    </div>
</template>

<script lang="ts" setup>
import '@wangeditor/editor/dist/css/style.css' // 引入 css

import { onBeforeUnmount, ref, shallowRef, onMounted, defineProps, withDefaults, defineEmits } from 'vue'
import { Editor, Toolbar } from '@wangeditor/editor-for-vue'

export interface Props {
    modelValue: string
}

let Props = withDefaults(defineProps<Props>(), {
    modelValue: ''
});

let emit = defineEmits(['update:modelValue'])

// 编辑器实例，必须用 shallowRef
let editorRef = shallowRef()

// 内容 HTML
let valueHtml = ref(Props.modelValue)

let mode = 'default'

// 模拟 ajax 异步获取内容
onMounted(() => {
    setTimeout(() => {
        valueHtml.value = Props.modelValue
    }, 1500)
})

const toolbarConfig = {}
const editorConfig = { placeholder: '请输入内容...' }

// 组件销毁时，也及时销毁编辑器
onBeforeUnmount(() => {
    const editor = editorRef.value
    if (editor == null) return
    editor.destroy()
})

const handleCreated = (editor) => {
    editorRef.value = editor // 记录 editor 实例，重要！
}
const handleChange = (editor) => {
    emit('update:modelValue', editor.getHtml())
}
</script>    